Model | B40 | B30 | B20 | |||
Telescope | ||||||
Length | 215mm(8.46 inch) | |||||
Objective aperture | 32mm | 36mm | 42mm | |||
Magnification | 24X | 28X | 32X | |||
Image | Erect | |||||
Resolving power | 4' | 3.5' | 3.0' | |||
Field of view(at 100m) | 1° 25′ (2.5m) | 1° 20′ (2.3m) | ||||
Minimum focussing distance | 0.2m (7.9in.) from end of telescope | |||||
0.3m (1ft.) from instrument cener. | ||||||
Reticle pattern | Cross hairs | wedge | ||||
Stadia ratio | 100 | |||||
Stadia constant | 0 | |||||
sighting aid | Gun sight | Peep sight | ||||
Focusing Knob | 1-speed | 2-speed | ||||
Lense hood | - | Retractable |